Flagler is a city located in Colorado. With a 2020 population of 543, it is the 191st largest city in Colorado and the 12962nd largest city in the United States. Flagler is currently declining at a rate of -0.73% annually and its population has decreased by -3.21% since the most recent census, which recorded a population of 561 in 2010. Flagler reached it's highest population of 568 in 2011. Spanning over 1 miles, Flagler has a population density of 425 people per square mile.
The average household income in Flagler is $56,842 with a poverty rate of 7.71%. The median rental costs in recent years comes to $614 per month, and the median house value is $117,000. The median age in Flagler is 46.4 years, 46.3 years for males, and 47.1 years for females. For every 100 females there are 91.4 males.